diff --git a/README.md b/README.md
index 996607b067e1441e93af098edb0c221f82927f18..490df22af7c472b6f26a1b0d69f23bcd8202b9f9 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ HelloWorld运行样例
 
 #### Build and Run
 ```
-// intall build require
+// install build require
 sudo yum install -y cmake ocaml-dune linux-sgx-driver sgxsdk libsgx-launch libsgx-urts intel-sgx-ssl-devel
 
 // clone secGear repository
@@ -42,7 +42,7 @@ mkdir debug && cd debug && cmake .. && make && sudo make install
 
 #### Build and Run
 ```
-// intall build require
+// install build require
 sudo yum install -y cmake ocaml-dune itrustee_sdk-devel openssl-devel
 
 // clone secGear repository
diff --git a/examples/local_attest/Readme.md b/examples/local_attest/Readme.md
index f322e065ee94c262cf855bf687300dab0ad6e86c..1da2b8cc009119ee40654b8d7ac201deea28c64e 100644
--- a/examples/local_attest/Readme.md
+++ b/examples/local_attest/Readme.md
@@ -60,7 +60,7 @@ cp e08f7eca-e875-440e-9ab0-5f381136c600.sec /var/itrustee/ta/
 ### 编译运行secGear样例
 
 ```
-// intall build require depends openEuler 22.03 LTS SP2 repo
+// install build require depends openEuler 22.03 LTS SP2 repo
 sudo yum install -y cmake ocaml-dune itrustee_sdk-devel secGear-devel
 
 // clone secGear repository
diff --git a/examples/remote_attest/Readme.md b/examples/remote_attest/Readme.md
index b078f58c1e2ac6149d9dc629817b638b0325bc3a..2e61643151f9465fd7fc2ad968e0b6a25bf6c9bd 100644
--- a/examples/remote_attest/Readme.md
+++ b/examples/remote_attest/Readme.md
@@ -73,7 +73,7 @@ cd attestation/tee/tverlib/verifier
 make
 cp libteeverifier.so /usr/lib64/
 
-// intall Huawei IT Product CA.pem
+// install Huawei IT Product CA.pem
 // windows浏览器下载https://download.huawei.com/dl/download.do?actionFlag=download&nid=PKI1000000040&partNo=3001&mid=SUP_PKI
 // 上传到环境 secGear/examples/remote_attest/build/目录下
 // 实际应用开发中，证书需要上传到执行verify二进制时的目录，比如存在/usr/bin/verify_test，如果要在/home目录下执行verify_test，证书需要上传到/home目录。
@@ -83,7 +83,7 @@ cp libteeverifier.so /usr/lib64/
 ### 编译运行secGear样例
 
 ```
-// intall build require depends openEuler 22.03 LTS SP2 repo
+// install build require depends openEuler 22.03 LTS SP2 repo
 sudo yum install -y cmake ocaml-dune itrustee_sdk-devel secGear-devel
 
 // clone secGear repository